show that for A,B > 0 and A +B =1
e^( Ax+ By) ( < or = ) A e^ x + B e^y
for x,y ( > or = ) 0
pure maths inequalities
2008-10-20 10:24 am
回答 (2)
2008-10-20 6:36 pm
✔ 最佳答案
http://en.wikipedia.org/wiki/Convex_function2008-10-20 10:36:57 補充：
其實這題不難的，不過你要有convex function的概念。
圖片參考：http://i187.photobucket.com/albums/x22/cshung/7008102000188.png
參考: 從不抄襲。
2008-10-20 6:48 pm
Inspiring proof by Andrew.
收錄日期: 2021-04-23 18:09:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081020000051KK00188